Monroe, Dana Carlton: The Middle Ages.
Monroe, Paul: History of Education.
Morris, Charles: Civilization: An Historical Review of Its Elements.
Morris, William O'Connor: The French Revolution and the First Empire.
Murray, Gilbert: Ancient Greece.
O'Leary, De Lacy: Arabic Thought and Its Place in History.
Osborn, Henry Fairfield: Men of the Old Stone Age.
Peet, Stephen: The Cliff Dwellers.
Plato's Republic: Translation by Jowett.
Powell, I. W.: The Pueblo Indians.
Preston and Dodge: The Private Life of the Romans.
Ragozin, Z. A.: The Story of Chaldea.
Rawlinson, George: Ancient Monarchies.
The Story of Egypt.
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Robinson, James Harvey: The Mind in the Making.
Sayre, Francis B.: Experiments in International Administration.
Scott, J. B. (editor): President Wilson's Foreign Policy: Messages, Addresses, and Papers.
Sedgwick, W. J., and Tyler, H. W.: A Short History of Science.
Seebohm, Frederick: The Era of the Protestant Revolt.
Semple, Ellen C.: Influences of Geographic Environment.
Sloane, W. M.: The Powers and Aims of Western Democracy.
Slosson, Edwin E.: Creative Chemistry.
Smith, J. Russell: The World and Its Food Resources.
Smith, Walter R.: Educational Sociology.
Spinden, H. J.: Ancient Civilization of Mexico.
Stubbs, William: The Early Plantagenets.
Symonds, John Addington: The Renaissance in Italy.
Taylor, Edward B.: Researches Into the Early History of Mankind.
The Development of Civilization.
Thwing, Charles F. and Carrie F.: The Family.
Todd, Arthur James: Theories of Social Progress.
Turner, F. J.: The Rise of the New West.
Tyler, John M.: The New Stone Age of Northern Europe.
Van Hook, La Rue: Greek Life and Thought.
Walker, Francis A.: The Making of a Nation.
Wallas, Graham: Great Society.
Principles of Western Civilization.
Weber, Alfred, and R. B. Perry: History of Philosophy.
Weigall, Arthur: The Story of the Pharaohs.
White, Andrew D.: The French Revolution and the First Empire.
Whitney, Wm. Dwight: The Life and Growth of Language.
Wilder, H. H.: Man's Prehistoric Past.
Wissler, Clark: The American Indian.
Man and Culture.